Add libgc 6.8 to naclports
Add libgc 6.8 to naclports

Review URL: http://codereview.chromium.org/6185003

git-svn-id: 84b3587ce119b778414dcb50e18b7479aacf4f1d@147 7dad1e8b-422e-d2af-fbf5-8013b78bd812

dtkav/naclports,clchiou/naclports,yeyus/naclports,yeyus/naclports,Schibum/naclports,Schibum/naclports,clchiou/naclports,kuscsik/naclports,adlr/naclports,clchiou/naclports,yeyus/naclports,Schibum/naclports,kuscsik/naclports,binji/naclports,Schibum/naclports,binji/naclports,binji/naclports,kuscsik/naclports,kuscsik/naclports,adlr/naclports,dtkav/naclports,kosyak/naclports_samsung-smart-tv,yeyus/naclports,kosyak/naclports_samsung-smart-tv,adlr/naclports,dtkav/naclports,yeyus/naclports,binji/naclports,clchiou/naclports,dtkav/naclports,kosyak/naclports_samsung-smart-tv,kosyak/naclports_samsung-smart-tv,Schibum/naclports,yeyus/naclports,binji/naclports,kuscsik/naclports,adlr/naclports,Schibum/naclports,kosyak/naclports_samsung-smart-tv,adlr/naclports,clchiou/naclports,dtkav/naclports